Answer
Yes, headache and drowsiness (somnolence) are listed as common side effects of Optivate, meaning each affects at least 1 in 100 but fewer than 1 in 10 patients.
Sources for this answer
- Optivate powder and solvent for solution for injectionBio Products Laboratory Limited · emc · SmPC §4.8 Undesirable effects · Version 11Document updated
Sources checked